常見例句There was a diversification of the gymnosperms, and fossil groups such as the Bennettitales and Caytoniales evolved during this period.See also geological time scale. 在這一時(shí)期存在的裸子植物發(fā)生了分化，有本內(nèi)囌鉄目Bennettitales和開通目Caytoniales的化石可以証明。Bennettitales and Cycadales from Lower Cretaceous Changcai Formation in Yanbian Area of Jilin 吉林延邊地區(qū)早白堊世長財(cái)組的本內(nèi)囌鉄類和囌鉄類type of the Bennettitales. 本內(nèi)囌鉄目的模式屬。 返回 Bennettitales